A "transition zone" represents the area where a drastic change or transformation takes place. This time period or geographical region is characterized by a shift in climate, ecology, or culture. Synonyms for "transition zone" include Borderland, Demilitarized Zone, In-between place, Buffer zone, Grey area, Threshold, Interlude, and Zone of conflict. Each synonym has its unique connotation, and its application depends on the context of use. Nevertheless, the central idea of a "transition zone" is always present, that is, a space between two distinct places, situations, or states, where one is moving from one to the other.